C/2021 Q4 (Fuls) Orbit by S. Nakano NK 5505 (2026) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 June 9.85266 7.5625196 0.9999939 146.98943 183.33998 71.56150 0.200 2026 June 9.0 m1 = 7.0 + 5 log Delta + 8.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 00 42.92 -16 27.7 00 45.42 -16 11.3 9.521 9.485 +0.14 + 0.5 19.7 2.0/ 76 84.9 5.9 68/0.12 53 .84 2026 Jan. 10 00 44.29 -16 22.8 00 46.79 -16 06.4 9.716 9.521 +0.20 + 0.8 19.8 3.0/ 74 75.7 5.7 71/0.12 157 .56 20 00 46.28 -16 14.6 00 48.77 -15 58.3 9.904 9.556 +0.25 + 1.0 19.8 3.8/ 74 66.6 5.4 75/0.11 53 .01 30 00 48.83 -16 04.1 00 51.32 -15 47.8 10.080 9.593 +0.30 + 1.2 19.9 4.6/ 75 57.8 5.0 79/0.10 87 .89 Feb. 9 00 51.87 -15 52.1 00 54.36 -15 35.9 10.242 9.629 +0.35 + 1.3 19.9 5.2/ 76 49.4 4.5 84/0.09 135 .55 19 00 55.35 -15 39.4 00 57.84 -15 23.2 10.385 9.665 +0.38 + 1.3 20.0 5.7/ 77 41.4 3.9 90/0.07 28 .03 Mar. 1 00 59.18 -15 26.8 01 01.67 -15 10.7 10.508 9.702 +0.41 + 1.2 20.0 6.1/ 79 33.9 3.3 99/0.06 120 .93 11 01 03.30 -15 15.0 01 05.78 -14 59.0 10.609 9.738 +0.43 + 1.0 20.0 6.3/ 81 27.5 2.7 111/0.05 110 .54 21 01 07.63 -15 04.7 01 10.10 -14 48.7 10.686 9.775 +0.45 + 0.8 20.1 6.5/ 83 22.8 2.3 129/0.04 29 .05 31 01 12.09 -14 56.5 01 14.56 -14 40.7 10.739 9.813 +0.45 + 0.5 20.1 6.6/ 85 20.9 2.1 152/0.04 147 .95 Apr. 10 01 16.62 -14 51.1 01 19.09 -14 35.3 10.769 9.850 +0.45 + 0.2 20.1 6.6/ 88 22.4 2.2 176/0.04 84 .52 20 01 21.16 -14 48.8 01 23.62 -14 33.2 10.774 9.887 +0.45 - 0.2 20.1 6.5/ 92 26.7 2.6 194/0.05 57 .09 30 01 25.63 -14 50.3 01 28.08 -14 34.8 10.758 9.925 +0.43 - 0.6 20.1 6.3/ 95 32.7 3.1 207/0.06 154 .97 May 10 01 29.96 -14 56.0 01 32.41 -14 40.6 10.720 9.963 +0.41 - 1.0 20.1 6.1/100 39.6 3.7 217/0.07 58 .49 20 01 34.09 -15 06.2 01 36.53 -14 50.9 10.663 10.000 +0.39 - 1.5 20.1 5.8/105 47.0 4.2 223/0.08 89 .15 30 01 37.96 -15 21.3 01 40.39 -15 06.1 10.589 10.039 +0.35 - 2.0 20.1 5.5/112 54.8 4.7 229/0.09 135 .98 June 9 01 41.50 -15 41.4 01 43.93 -15 26.4 10.501 10.077 +0.31 - 2.5 20.1 5.2/119 62.7 5.1 233/0.10 35 .44 19 01 44.65 -16 06.7 01 47.07 -15 51.8 10.402 10.115 +0.27 - 3.1 20.1 4.9/128 70.9 5.4 238/0.10 120 .20 29 01 47.34 -16 37.3 01 49.76 -16 22.4 10.296 10.154 +0.22 - 3.6 20.1 4.7/139 79.1 5.6 242/0.11 108 .99 July 9 01 49.54 -17 12.8 01 51.94 -16 58.0 10.187 10.192 +0.16 - 4.0 20.1 4.7/150 87.5 5.7 246/0.11 33 .37 19 01 51.17 -17 53.2 01 53.56 -17 38.4 10.077 10.231 +0.10 - 4.5 20.1 4.7/162 95.9 5.7 250/0.11 143 .26 29 01 52.20 -18 37.7 01 54.59 -18 23.0 9.972 10.270 +0.04 - 4.8 20.1 4.8/173 104.3 5.5 254/0.11 80 1.00 Aug. 8 01 52.62 -19 25.7 01 54.99 -19 11.1 9.876 10.309 -0.02 - 5.1 20.1 5.1/184 112.6 5.2 260/0.10 60 .29 18 01 52.39 -20 16.3 01 54.75 -20 01.6 9.793 10.348 -0.09 - 5.2 20.1 5.3/193 120.8 4.8 266/0.10 144 .30 28 01 51.53 -21 08.3 01 53.89 -20 53.6 9.726 10.387 -0.15 - 5.2 20.1 5.6/201 128.7 4.4 274/0.09 53 1.00 Sept. 7 01 50.08 -22 00.3 01 52.43 -21 45.5 9.680 10.427 -0.20 - 5.1 20.1 5.8/209 135.9 3.9 284/0.08 94 .21 17 01 48.09 -22 50.9 01 50.44 -22 36.0 9.657 10.466 -0.24 - 4.8 20.1 5.8/215 141.9 3.4 297/0.07 122 .33 27 01 45.66 -23 38.5 01 48.00 -23 23.6 9.659 10.506 -0.28 - 4.3 20.1 5.7/221 146.1 3.1 314/0.06 36 1.00 Oct. 7 01 42.90 -24 21.9 01 45.24 -24 06.8 9.688 10.546 -0.30 - 3.8 20.1 5.5/227 147.6 2.9 334/0.06 126 .15 17 01 39.95 -24 59.6 01 42.29 -24 44.5 9.745 10.586 -0.30 - 3.1 20.1 5.1/232 146.0 3.0 353/0.06 95 .34 27 01 36.96 -25 30.9 01 39.31 -25 15.7 9.828 10.626 -0.29 - 2.4 20.2 4.6/238 141.7 3.3 10/0.07 48 .99 Nov. 6 01 34.09 -25 55.0 01 36.44 -25 39.7 9.936 10.666 -0.26 - 1.7 20.2 3.9/245 135.5 3.7 24/0.07 143 .11 16 01 31.48 -26 11.7 01 33.83 -25 56.4 10.067 10.706 -0.22 - 0.9 20.3 3.1/252 128.1 4.2 34/0.08 67 .36 26 01 29.26 -26 21.2 01 31.61 -26 05.8 10.218 10.746 -0.17 - 0.3 20.3 2.3/263 120.1 4.6 43/0.09 78 .97 Dec. 6 01 27.53 -26 23.9 01 29.89 -26 08.4 10.384 10.787 -0.11 + 0.4 20.3 1.6/283 111.7 4.9 50/0.09 133 .09 16 01 26.38 -26 20.4 01 28.74 -26 04.9 10.561 10.827 -0.05 + 0.9 20.4 1.1/321 103.1 5.1 56/0.09 44 .38 26 01 25.85 -26 11.6 01 28.21 -25 56.1 10.745 10.868 +0.01 + 1.3 20.4 1.3/ 6 94.6 5.2 62/0.10 110 .94 2027 Jan. 5 01 25.96 -25 58.5 01 28.32 -25 43.0 10.932 10.909 +0.07 + 1.6 20.5 1.9/ 32 86.1 5.2 67/0.09 109 .07 15 01 26.70 -25 42.1 01 29.06 -25 26.6 11.116 10.950 +0.14 + 1.9 20.5 2.6/ 45 77.7 5.0 72/0.09 36 .41 25 01 28.05 -25 23.3 01 30.42 -25 07.9 11.294 10.991 +0.19 + 2.0 20.6 3.3/ 53 69.6 4.8 78/0.08 135 .91 Feb. 4 01 29.97 -25 03.3 01 32.33 -24 47.9 11.463 11.032 +0.24 + 2.0 20.6 3.9/ 58 61.8 4.5 84/0.08 84 .06 14 01 32.40 -24 42.7 01 34.76 -24 27.4 11.618 11.073 +0.29 + 2.0 20.7 4.4/ 63 54.5 4.2 91/0.07 52 .46 24 01 35.29 -24 22.7 01 37.65 -24 07.4 11.756 11.114 +0.33 + 1.9 20.7 4.9/ 67 47.7 3.8 99/0.06 144 .88 Mar. 6 01 38.56 -24 03.8 01 40.92 -23 48.7 11.877 11.155 +0.36 + 1.7 20.8 5.2/ 71 41.7 3.4 109/0.06 61 .05